package com.admin.common.security;

import cn.hutool.json.JSONUtil;
import com.admin.eneity.R;
import org.springframework.security.authentication.BadCredentialsException;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.authentication.AuthenticationFailureHandler;
import org.springframework.stereotype.Component;

import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * @author 吴驰明
 * @date 2023/7/13
 * @Description  登入失败处理器
 */

@Component
public class LoginFailureHandler implements AuthenticationFailureHandler {
  @Override
  public void onAuthenticationFailure(HttpServletRequest  httpServletRequest, HttpServletResponse httpServletResponse, AuthenticationException e) throws IOException, ServletException {
    httpServletResponse.setContentType("application/json;charset=UTF-8");
    ServletOutputStream outputStream = httpServletResponse.getOutputStream();

    String message=e.getMessage();
    if (e instanceof BadCredentialsException){
     message="用户名或者密码错误";
    }

   outputStream.write(JSONUtil.toJsonStr(R.error(message)).getBytes("UTF-8"));

   outputStream.flush();
   outputStream.close();
 }
}
